Home / 12,825.20-19,240.28-4,927.13

Finding the Fourth Proportional to 12,825.20, 19,240.28 and 4,927.13

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Solution

The fourth proportional to 12,825.20, 19,240.28 and 4,927.13 is: 7,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.20 : 19,240.28 = 4,927.13 : x
  2. Step 2: Convert to fraction form
    12,825.20/19,240.28 = 4,927.13/x
  3. Step 3: Cross multiply
    12,825.20x = 19,240.28 × 4,927.13
  4. Step 4: Simplify right side
    12,825.20x = 94,799,239.96
  5. Step 5: Solve for x
    x = 94,799,239.96/12,825.20
  6. Step 6: Final answer
    x = 7,391.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.